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61results about How to "Affect judgment" patented technology

Step-type fish passage facilities suitable for steep slope of high dam and control method

The invention discloses step-type fish passage facilities suitable for the steep slope of a high dam and a control method, and relates to intersection fields of aquatic engineering and hydraulic engineering, in particular to a fishway building suitable for the steep slope of the high dam and a fish passage control method. The fishway in the invention is a step-type fishway building established onthe steep slope of the dam body, which is combined by step-type relays of a plurality of rectangular pools, and also comprises a fish passage monitoring system, a computer automatic control system, anoverflow water fish luring device in the fishway and a fish luring device of inlet and outlet of the fishway. The invention can lead the migratory fish to pass the dam timely without injure of the migratory fish and has the outstanding features of low physical ability consumption, no inverse effects on gonadal development, high automatic degree, relative shorter fishway (steep slope) and saving investment and the like, thus fundamentally changing the defect that other structural types of fishway pass through the high dam.
Owner:YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI

Near-to-eye display device capable of automatically adjusting optical system

The invention provides a near-to-eye display device capable of automatically adjusting an optical system and a method. The device comprises the optical system, a shooting unit, a processing unit and a motion unit, wherein the shooting unit and the motion unit are respectively electrically connected with the processing unit, the optical system comprises a lens unit and a display unit, the shooting unit comprises a shooting device having fixed focal length and fixed orientation, and the shooting device comprises a left shooting device and a right shooting device. Compared with the prior art, the device employs methods of independent measurement and single-side pupil coordinate position adjustment, so not only can an interpupillary distance of a user be measured, but also displacement of single-side pupils deviating from a center position can be further measured, corresponding side optical systems can be independently adjusted according to measurement results, measurement and adjustment are made to be more accurate, the better display effect is guaranteed, and possible adjustment deviation generated because of simple measurement on the interpupillary distance can be avoided.
Owner:VR TECH (SHENZHEN) LTD

Near-to-eye display device capable of automatically measuring interpupillary distance and method

The invention provides a near-to-eye display device capable of automatically measuring an interpupillary distance and a method. The device comprises a lens unit, a shooting unit, a processing unit and a display unit, wherein the shot image information can be transmitted by the shooting unit to the processing unit, pupil abscissas of a user can be determined by the processing unit according to the received information, and the interpupillary distance of the user can be calculated according to difference of the pupil abscissas of images shot by a left shooting device and a right shooting device. Compared with the prior art, the method can not only be utilized to measure the interpupillary distance of the user, but also can be utilized to measure displacement of a single side pupil of the user deviating from a center position, the eyesight information of the user with asymmetric pupils can be precisely measured, and bases are provided for manually or automatically adjusting an optical system to adapt to the pupil position.
Owner:VR TECH (SHENZHEN) LTD

Sensor system for pressure difference type detecting filter blocking state

The invention discloses a differential pressure sensor system to detect the blocking state of the filter, including the filter, the sensors set on the water entrance and exit of the filter and linkedwith identifying logic cell, the sensors producing stress variation under the action of water pressure, the identifying logic cell identifying if the filter is blocked according to the stress signal change, and outputting the corresponding information in control system or control cell. It can automatically and exactly prompt the user to change the filter.
Owner:伍华本

Judging method for insulation state in GIS

The invention discloses a judging method for the insulation state in a GIS. The method comprises the following steps that 1,a critical breakdown electric field is calculated; 2,electric field distribution under different work conditions is calculated; 3,an insulation margin is defined to be an interpolation of the critical breakdown electric field in step 1 and spatial electric field intensity instep 2 and serves as the basis of insulation judging in the GIS; 4,a temperature field and a flow field are subjected to coupling calculation; 5,SF6 gas density distribution in the GIS is calculated according to the result of step 4; 6,on the basis of the SF6 gas density distribution condition in step 5,the critical breakdown electric field is calculated through step 1,electric field distributionunder different work conditions is calculated through step 2,if the insulation margin is smaller than or equal to 0,breakdown can occur in the GIS,and if the insulation margin is larger than 0,the breakdown cannot occur. Accordingly,in consideration of SF6 gas distribution changing factors caused by bus and shell warming,a set of comprehensive judgement basis for the GIS operating states is provided.
Owner:WUHAN UNIV OF TECH

High-flux quick screening method of Macrobrachium rosenbergii immunopotentiators

The invention discloses a high-flux quick screening method of Macrobrachium rosenbergii immunopotentiators. The method comprises the following steps: treatment of immunopotentiators to be screened, acquisition and culture of Macrobrachium rosenbergii haemolymph cells, and detection and analysis of Macrobrachium rosenbergii nonspecific immunity indexes. The method can be used for in-vitro quick high-flux screening of the Macrobrachium rosenbergii immunopotentiators.
Owner:ZHEJIANG INST OF FRESH WATER FISHERIES

Method for detecting calibration board

A method for detecting a calibration board includes providing a vehicle-mounted panoramic camera and a first type of calibration board, wherein an upper surface of that first type of calibration boardis provided with a mark point; acquiring an initial image captured by a vehicle-mounted panoramic camera; identifying a mark dot in the initial image and overlaying the first mark block at the position where the mark dot is identified as the mark dot; judging whether the first marker block covers the marker dot, if the first marker block covers the marker dot, then, obtaining the center coordinates of the mark points to determine the initial external parameters of the vehicle-mounted panoramic camera; if the first mark block does not cover the mark points, adjusting the surrounding environment of the first type calibration board, obtaining the images captured by the vehicle-mounted panoramic camera again, and carrying out the next cycle until the first mark block covers the mark points. The method is convenient for the operator to judge whether the identification of the position of the mark dot is accurate or not and to conveniently find the disturbing object caused by wrong identification in the environment, which is helpful to improve the calibration efficiency, save the calibration time and improve the calibration precision.
Owner:上海商泰汽车信息系统有限公司

Intelligent carrying robot with cleaning function

The invention relates to an intelligent carrying robot with a cleaning function. The intelligent carrying robot comprises a body, movable wheels, a rotating shaft, a cleaning mechanism and a stabilization mechanism, the cleaning mechanism comprises a driving component and a cleaning component, and the stabilization mechanism comprises a lifting component and a stabilization component. According tothe intelligent carrying robot with the cleaning function, when a cart runs along an electromagnetic rail, the cleaning mechanism is started, impurities such as dust covering the electromagnetic railcan be cleaned, influence on judgment of the cart is avoided, so that the cart can accurately run according to the rail, the derailing probability of the cart is reduced, influence on carrying operation is avoided, the stabilization mechanism is started before an AGV (automatic guided vehicle) draws other objects to move, a body is firmly connected with the other objects, separation among the body and the other objects is avoided, and interrupt of the carrying operation is avoided.
Owner:SHENZHEN XIAOKONG COMM TECH CO LTD

Railway wagon floor damage fault identification method based on improved SLIC method

The invention discloses a railway wagon floor damage fault identification method based on an improved SLIC method, and belongs to the technical field of railway wagon floor damage fault identification. According to the method, the problems of low detection efficiency and high detection cost of the existing railway freight car floor damage fault identification method are solved. According to the method, the original collected images are cut and spliced, the spliced images highlight the recognition area, and the aspect ratio is more suitable for image segmentation; secondly, optimizing the original SLIC algorithm, and modifying selection of seed points from grid-based selection to selection based on ROI (region of interest) and gradient information, so that the segmentation effect of the algorithm in the ROI is improved, and influence on judgment of an identification result due to poor segmentation effect is avoided; and finally, screening the segmented regions, and further classifying the damaged regions and easily confused images such as rainwater, mud stains and the like by adopting an SVM classifier, thereby reducing false alarm. The method can be applied to railway wagon floor damage fault identification.
Owner:HARBIN KEJIA GENERAL MECHANICAL & ELECTRICAL CO LTD

CT scanning auxiliary method based on image detection, computer readable storage medium and CT scanning device

ActiveCN111260647AAvoid the problem of poor image quality of CT scan reconstructionAvoid acceptingImage enhancementImage analysisHuman bodyRadiology
The invention provides a CT scanning auxiliary method based on image detection, a computer readable storage medium and a CT scanning device, and relates to the technical field of CT scanning. The method comprises the steps of: in the scanning process, collecting a body position image of a patient in real time; inputting the acquired body position image into a constructed key point detection model,and extracting coordinates of human body key points in the body position image through the key point detection model; importing the coordinates of the key points in the body position images acquiredthis time and the coordinates of the key points in the body position images acquired last time into a pre-constructed image domain similarity index calculation model, and calculating the similarity ofthe two body position images; and finally, judging whether the patient is subjected to positioning change or not in the scanning process according to a threshold condition. If movement of the patientis detected, scanning can be interrupted, and the patient is prevented from receiving unnecessary doses. Patient positioning changes can be found in time in the CT scanning process, the operation difficulty of technicians is lowered, and dependence on the operation level of CT equipment is reduced.
Owner:NANJING ANKE MEDICAL TECH CO LTD

CT scanning auxiliary method and device and computer readable storage medium

The invention provides a CT scanning auxiliary method and device and a computer readable storage medium, and relates to the technical field of CT scanning. The whole CT scanning is divided into threestages, and a corresponding technical scheme is provided for factors which may cause poor CT image quality in each stage. Before scanning, the problem that the quality of a final CT scanning reconstructed image is poor due to incorrect initial positioning of a patient is avoided by detecting the positioning of the patient, in the scanning process, by detecting the position of the patient, the problem that the quality of a final CT scanning reconstructed image is poor due to position change of the patient is avoided, if movement of the patient is detected, scanning is prompted to be interrupted, so that the patient is prevented from receiving unnecessary doses, and after scanning is finished, quality evaluation is carried out on the final CT scanning reconstructed image, and the CT scanningreconstructed image with poor quality is eliminated, so that a doctor is prevented from being influenced and judged by the low-quality CT scanning reconstructed image in the subsequent diagnosis process.
Owner:NANJING ANKE MEDICAL TECH CO LTD

Urban underground pipeline repairing device

The invention belongs to the field of underground pipeline machining equipment, and particularly relates to an urban underground pipeline repairing device. The urban underground pipeline repairing device comprises a vehicle body, a cleaning mechanism is arranged on the vehicle body, a rotating part is rotatably connected to the other side of the vehicle body, a plurality of material spraying mechanisms and curing mechanisms which are evenly distributed are arranged on the rotating part, the multiple material spraying mechanisms and the curing mechanisms are distributed on the rotating part atintervals, the vehicle body moves in the pipeline through rolling wheel mechanisms, and the vehicle body is provided with a detection mechanism capable of detecting the pipeline. According to the urban underground pipeline repairing device, repairing glue can be continuously sprayed out of the material spraying mechanism in the rotating process of a rotating frame, the repairing glue can be evenlytrowelled in the pipeline through rollers, the repairing glue can be solidified in the rotating process of the rotating part, and therefore in the pipeline repairing process, the repairing glue can be overlapped layer by layer; and in this way, the drying efficiency and the drying effect of the repairing glue can be improved.
Owner:胡艳梅

Special-shaped part polishing device for machining

The invention discloses a special-shaped part polishing device for machining. The device comprises a base; a disc is fixedly connected to the upper end of the base, a circular groove is formed in theupper end of the disc, a plurality of lead screws are uniformly and rotatably connected to the inner wall of the circular groove, an annular groove is formed in the upper end of the disc, and a driving device for driving the plurality of lead screws to rotate synchronously is installed in the annular groove. According to the special-shaped part polishing device, annular racks, gears, hand wheels,the screw rods, sliding blocks, connecting rods and arc-shaped clamping plates are arranged, the hand wheels are rotated to enable the screw rods rotatably connected to the inner wall of the circulargroove to rotate synchronously, the special-shaped part is clamped in all sides, the problem that the position of the special-shaped part is shifted during polishing of the special-shaped part, causing polishing errors of the special-shaped part to influence the appearance and the use of the special-shaped part is avoided, scraps in the polishing process of the special-shaped part can be sucked through a fan, and the judgment of the polishing position of the special-shaped part is prevented from being influenced by the scraps.
Owner:合肥锦鑫隆机械制造有限公司

Ceramic injection mould optimal design method and ceramic injection mould

The invention discloses a ceramic injection mould optimal design method and a ceramic injection mould. The optimal design method includes the following steps that a required ceramic injection mould model is designed through mould design software to serve as an original ceramic injection mould needing to be optimized; a 3D mould model of the original ceramic injection mould is guided out and guided into simulation software; an initial injection moudling channel allowing injection moulding materials to flow into a cavity is built in the 3D model; the 3D model is subjected to ceramic injection moulding forming process simulation through simulation software, and the difference of injection moudling time required by injection moulding of two ceramic products is recorded; whether the injection moulding time is within a preset time range is judged, and the injection moulding channel built in the original ceramic injection mould is improved till injection moulding time difference is within a preset time range. The software is used for injection moulding process simulation, cost in the mould development process is greatly reduced, and mould development and design efficiency is improved. The precision and the quality of the ceramic products are guaranteed, and meanwhile waste of ceramic materials is reduced.
Owner:SHENZHEN SUNTECH ADVANCED CERAMICS

Smart city traffic signal lamp based on the Internet-of-Things technology

The invention relates to the technical field of the Internet of Things, and discloses a smart city traffic signal lamp based on the Internet-of-Things technology, which comprises a supporting column, a fixing rod is welded to the surface of the supporting column, a fixing block is fixedly connected to the surface of the fixing rod, and a signal lamp body is fixedly connected to the right side of the fixing block. A heat dissipation mechanism is arranged at the top of the fixing block, a supporting plate is arranged on the surface of the heat dissipation mechanism, a top cover is welded to the top of the supporting plate, a cleaning mechanism is arranged at the bottom of the fixing block, a sliding groove is formed in the surface of the supporting column, and a guide pipe is fixedly connected to the inner wall of the sliding groove. According to the traffic signal lamp, water can be collected through the heat dissipation mechanism, electrical components in the fixing block can be cooled, and the situation that internal circuits of the electrical components in the traffic signal lamp are burnt out due to the fact that the air temperature in summer is too high, and then normal use of the traffic signal lamp is affected is prevented.
Owner:陆陶平

Air pressure type asphalt rapid sampling device

The invention relates to the technical field of road engineering experiments, in particular to an air pressure type asphalt rapid sampling device which comprises a supporting plate and further comprises a sampling barrel connected with the supporting plate through a connecting barrel; the through holes are uniformly formed in the side wall of the sampling barrel; the sampling mechanism is positioned on the supporting plate; wherein the sampling mechanism comprises a pushing and pressing assembly, a collecting assembly and a suction assembly, the collecting assembly is located in the sampling barrel and installed in cooperation with the through hole, and the collecting assembly comprises a telescopic unit and a material taking unit. And sampling work is carried out at different depths, so that the accuracy of a subsequent detection result is improved, the judgment of workers is prevented from being influenced by deviation, and the practicability of the equipment is improved.
Owner:深圳市高美特塑胶模具有限公司

Video monitoring platform for power transmission and transformation equipment

The invention discloses a video monitoring platform for power transmission and transformation equipment. The system comprises a remote display terminal, a data management and analysis unit, a signal unit, a power supply unit, a monitoring unit and a camera, the remote display terminal is electrically connected with the data management and analysis unit, the signal unit, the power supply unit and the monitoring unit. A video pixel processing module capable of adjusting video pixels is arranged in the data management and analysis unit, wherein the video time synchronization module can be used for determining time, the video data storage module can be used for video storage, the video data analysis module can be used for improving the accuracy of data information, and the video data backup module can prevent data loss. The system is reasonable in design, does not need to arrange lines, can reduce the cost required by monitoring, can guarantee the stability and transmission speed of videotransmission through a 5G or WIFI network, and avoids the impact on the integrity of video data transmission caused by the instability of the network.
Owner:STATE GRID CORP OF CHINA +1

Pedestrian road-crossing assisting device

The invention provides a pedestrian road-crossing assisting device, and relates to the technical field of traffic assisting tools. The pedestrian road-crossing assisting device is used for being arranged at a traffic intersection and comprises a supporting mechanism, a movable mechanism, a sensing mechanism and a recognition mechanism; the supporting mechanism is used for bearing pedestrians, andthe movable mechanism is arranged on the supporting mechanism; the movable mechanism comprises a driving controller, a driving motor and multiple idler wheels; the driving controller is connected withthe driving motor and the recognition mechanism separately, the recognition mechanism is used for recognizing a signal of a traffic signal lamp and transmitting signal data to the driving controller,and when the traffic signal lamp is a green lamp, the driving controller drives the driving motor to be started; the sensing motor is used for making the movable mechanism reciprocate along a presetpath. Through the arrangement of the pedestrian road-crossing assisting device, it can be guaranteed that pedestrians safely pass through the intersection within a schedule time; the behaviors of thepedestrians of chasing, quarreling and noisy fighting on a road or stopping during walking can also be prevented, judgment force of vehicle drivers is prevented from being influenced, and thus people's travel safety is improved.
Owner:TIANJIN AGRICULTURE COLLEGE

Clock type English teaching aid

The invention provides a clock type English teaching aid comprising a base. The top of the base is connected with a circular shell. The inner wall of the circular shell is connected with a disc; the outer wall of the disc is connected with a circular block; the bottom wall of the circular block is fixedly connected with the top wall of the disc; the top wall of the circular block and the outer wall of the circular shell are located on the same horizontal plane. 26 letters are arranged on the outer walls of the circular block and the circular shell; a fixed shaft is fixedly connected into the circular block, penetrates the circular block and extends outwards; the outer wall of the fixed shaft is connected with a telescopic pointer and a movable block; the telescopic pointer is movably abutted against the movable block; the end, away from the circular block, of the fixed shaft is in threaded connection with a conical block; and a first elastic element is connected between the inner wallof the conical block and the movable block. According to the clock type English teaching aid, rotation of the pointers can be controlled; and when the push rod is not pushed, the moving block is abutted against the pointers to prevent the pointers from rotating; when the push rod is pushed, the pointers are loosened by extruding the movable block.
Owner:TANGSHAN NORMAL UNIV

Oil spill prevention device of oil-electric hybrid unmanned aerial vehicle

The invention discloses an oil spill prevention device of an oil-electric hybrid unmanned aerial vehicle. The device comprises an oil tank, the left side of the top of the oil tank communicates with arefueling pipe, the right side of the oil tank is fixedly connected with an auxiliary oil tank, the right side of the auxiliary oil tank is fixedly connected with a transparent observation window, the top of the right side of the oil tank communicates with an oil overflow pipe, and the end, away from the oil tank, of the oil overflow pipe penetrates the auxiliary oil tank and extends into the auxiliary oil tank. The invention relates to the technical field of unmanned aerial vehicles. According to the oil spill prevention device of the oil-electric hybrid unmanned aerial vehicle, in the refueling process, overflowed fuel oil enters the auxiliary oil tank, an operator stops refueling when seeing that the fuel oil reaches the auxiliary oil tank through the transparent observation window; inaddition, the capacity of the auxiliary oil tank is reasonably designed according to the reaction time of general personnel and the expansion coefficient of liquid under the natural temperature difference, the use requirement is met, a handle is pulled up and down, a sponge wiper can be driven to move up and down, the transparent observation window is wiped clean, oil contamination is prevented from influencing judgment of operators, and reliability is improved.
Owner:广东万虹科技有限公司

Heatable thermostatic recording stethoscope

InactiveCN110710987AChange the heating effectEasy to useStethoscopeAuscultationHeating effect
The invention relates to the technical field of stethoscopes, and discloses a heatable thermostatic recording stethoscope. The heatable thermostatic recording stethoscope includes a stethoscope body.The stethoscope body is composed of an auscultation head, a sound leading tube and ear pieces. A heater is fixedly connected to the side surface of the auscultation head, a thermometer is fixedly installed on the auscultation head, and a recording device is fixedly connected to the sound leading tube; a processor, a pickup, a filtering module, a memory, a Bluetooth module, an interface module, a controller, a speaker and a buzzer are arranged in the recording device. The heatable thermostatic recording stethoscope heats the auscultation head through the heater, so that the temperature of the auscultation head is close to the temperature of the human body, the thermometer can enable the temperature of the auscultation head to be checked by people at any time for convenient use, the power ofthe heater can be adjusted by the controller so that the heating effect of the heater can be changed, so that the temperature of the auscultation head is adjusted.
Owner:XIEHE HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI & TECH UNIV

Screen brightness control method and device of electronic rearview mirror, terminal equipment and medium

The invention discloses a screen brightness control method and device of an electronic rearview mirror, terminal equipment and a medium. The method comprises the steps that vehicle driving information is acquired; determining a brightness control strategy matched with the vehicle driving information; and controlling the screen brightness of a monitor in the electronic rearview mirror according to the brightness control strategy. The technical problems that in the prior art, the brightness of an electronic rearview mirror screen is too high, safe driving of a driver is affected, and the endurance mileage of a vehicle is reduced can be solved.
Owner:DONGFENG MOTOR GRP

Signal lamp

The invention discloses a signal lamp which comprises a hollow shell, a mounting plate and an LED (Light Emitting Diode) array, wherein an opening is formed in the front end of the hollow shell; the LED array is arranged on the mounting plate which is arranged on the front end of the inner part of the shell; the upper and lower inner walls of the front end of the shell form a symmetrical cambered-surface structure; and a collecting lens is arranged on the opening and is in seal connection with the shell. The upper and lower inner walls of the front end of the shell form the symmetrical cambered surface structure, so that light emitted by LEDs of the LED array can be prevented from diffusing outside the shell, so as not cause side transmitting light which can influence moving vehicles to judge the signal lamp.
Owner:张桓毓

Method for detecting performance indexes of chemical substances in cells

The invention discloses a method for detecting performance indexes of chemical substances in cells. The method comprises the following steps: S1, preparing a sample slice; S2, carrying out MS detection, electrophysiology detection, western blot detection and immunofluorescence detection on the sample slice sequentially, and obtaining a target detection data set corresponding to a target sample slice, wherein the target detection data set comprises MS data, electrophysiology data, western blot data and immunofluorescence data; and S3, analyzing the target detection data to obtain performance indexes of the compounds in the sample slice. According to the invention, multiple detection can be carried out based on the same sample slice, on one hand, the influence of other external factors on detection can be reduced, so that different experimental results are obtained for the same experimental subject, and on the other hand, different detection requirements can be met, and a preliminary research direction is provided for chemical substances in cells.
Owner:安徽科丞智能健康科技有限责任公司

Measurement-facilitating device, method, and program

The present invention accelerates measurement of corresponding biological data in accordance with a fluctuation in environmental data. This measurement-facilitating device is provided with a first acquiring unit for acquiring environmental data relating to the external environment of a user, a first determination unit for determining whether the environmental data satisfy a pre-stored condition indicating that biological data of the user are susceptible to variation, and an instruction unit for instructing to measure the biological data when it is determined that the environmental data satisfy the condition.
Owner:OMRON HEALTHCARE CO LTD
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